Pith Number

pith:7VYK6XEO

pith:2013:7VYK6XEOQPLRQH4I2VES2LXRR6

not attested not anchored not stored refs pending

Recent advances in contextuality tests

Akihito Soeda, Dagomir Kaszlikowski, Jayne Thompson, Pawel Kurzynski, Su-Yong Lee

arxiv:1304.1292 v1 · 2013-04-04 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VYK6XEOQPLRQH4I2VES2LXRR6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:29:04.090800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd70af5c8e83d7181f88d5492d2ef18fb233d0e697a206f135e9418d1631b4c8

Aliases

arxiv: 1304.1292 · arxiv_version: 1304.1292v1 · doi: 10.48550/arxiv.1304.1292 · pith_short_12: 7VYK6XEOQPLR · pith_short_16: 7VYK6XEOQPLRQH4I · pith_short_8: 7VYK6XEO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7VYK6XEOQPLRQH4I2VES2LXRR6 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fd70af5c8e83d7181f88d5492d2ef18fb233d0e697a206f135e9418d1631b4c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e009a8666e2b2bd10e015b4a2d87301465a50bd044a36118a3fcb0abee4e5479",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-04T09:56:16Z",
    "title_canon_sha256": "f03314237663beb4d76a15ad884d8272477843d721285db1a8bb329b6ec93cb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1292",
    "kind": "arxiv",
    "version": 1
  }
}